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    • 8. 发明授权
    • Display apparatus and position detecting method
    • 显示装置和位置检测方法
    • US08466903B2
    • 2013-06-18
    • US13441391
    • 2012-04-06
    • Mitsuru TateuchiTsutomu HaradaKazunori YamaguchiRyoichi Tsuzaki
    • Mitsuru TateuchiTsutomu HaradaKazunori YamaguchiRyoichi Tsuzaki
    • G06F3/042
    • G06F3/0421
    • An image generating unit of a display apparatus generates a determination image based on first and second light reception images obtained from light reception cells in a light-emission period and in a non-light-emission period, respectively. An image determining unit determines whether or not an image of an object to be detected is included in the determination image, stores data corresponding to the determination image as initial data into a storage when the object image is not included in the determination image, and stores the data corresponding to the determination image as detection data into the storage when the object image is included in the determination image. A position determining unit determines at least an object position based on an image represented by the detection data in the storage and an image represented by the initial data in the storage.
    • 显示装置的图像生成单元分别基于在发光时段和非发光时段中的光接收单元获得的第一和第二光接收图像来生成确定图像。 图像确定单元确定在确定图像中是否包括要检测的对象的图像,并且当对象图像不包括在确定图像中时,将与确定图像相对应的数据作为初始数据存储到存储器中,并且存储 当所述对象图像被包括在所述确定图像中时,将与所述确定图像相对应的数据作为检测数据输入到所述存储器中。 位置确定单元基于由存储器中的检测数据表示的图像和由存储器中的初始数据表示的图像来至少确定对象位置。